Stories posted this day, by points. Rank history starts with the October 2026 rebuild.
797 points by zh2408 | 156 comments
GitHub repository for Tutorial-Codebase-Knowledge, an AI tool built on PocketFlow that turns codebases into beginner-friendly tutorials.
627 points by mooreds | 591 comments
A Substack essay by Brad Montague titled "Librarians are dangerous"; the captured page shows only a Substack error message.
613 points by Venn1 | 178 comments
GitHub repository for PiLiDAR, a DIY Raspberry Pi-based lidar 3D scanner with panorama stitching and mesh reconstruction tooling.
586 points by motiejus | 323 comments
ServeTheHome article by Patrick Kennedy criticizing Synology's move to restrict its NAS units to Synology-branded hard drives.
549 points by sqs | 232 comments
Anthropic engineering blog post sharing tips and best practices for using Claude Code, a command-line tool for agentic coding, across codebases and languages.
386 points by namanyayg | 317 comments
Ars Technica article reporting that a Google update will make Android phones automatically reboot after three days unused, improving security.
371 points by todsacerdoti | 225 comments
Blog post by Jan Wildeboer, second in a series, arguing the web is broken by botnets, likely covering apps embedding SDKs that turn user devices into scraping proxies.
148 points by fprog | 25 comments
125 points by teleforce | 15 comments
77 points by sohkamyung | 43 comments
70 points by prettydope3932 | 12 comments
54 points by NotInOurNames | 9 comments
![Screenshot of demarcken.org: Computational Complexity of Air Travel Planning [pdf] (2003)](https://hn.urlbox.com/shots/renders/2025/4/20/c0fea7b1-0c5f-4cce-8281-aac6041b884d.jpg)
45 points by hyperbrainer | 11 comments
31 points by signa11 | 0 comments
27 points by dedalus | 5 comments
27 points by gpi | 4 comments
24 points by kawera | 7 comments
